All items tagged with Construction and project (16)

1-03-1997 | In our article given here we gave answers to the questions our readers.

1-05-1993 | The construction project described here consists of two units: an FM stereo multiplex generator and a three-stage VHF FM exciter. Toget...

1-04-1992 | Although it is bound to be replaced within a foreseeable period by environmentally safer types, the nickel-cadmium (NiCd) battery is still...

1-02-1992 | The circuit presented here is a dual thermometer that indicates the difference between the temperature indoors and out of doors with the a...

1-11-1991 | To achieve a comfortable room temperature quickly it is often required to switch on the central heating (CH) boller tor ten minutes or...

1-10-1991 | BUILD THE OPTICALOCK

1-09-1991 | Combination locks are useful because they can not be picked like a 'key' lock can. If a combination lock could sound an alarm before it wa...

1-06-1991 | This month we present an experimental circuit to demonstrate that visible light can be modulated and used as a carrier to convey informati...

1-04-1991 | Those of you who have ever spent a summer's day at the beach will affirm that the sun, the wind, the sand and the water can have a repo...

1-03-1991 | This month we tackle a high-frequency project by venturing out into the exciting world of VHF radio amateur communication. Build this conv...